unit 5-2

5. to recognize the good qualities of sb/sth
8. events that are of public interest or political importance
10. an underground railway/railroad system in a city
11. to ask sb for sth especially in an anxious way because you want or need it very much
13. a liquid，used as fuel in car engines, etc.
14. to try very hard to do sth when it is difficult or when there are a lot of problems
15. the soft part in the mouth that moves around, used for tasting, swallowing, speaking, etc.
16. all the words that a person knows or uses
17. show or make a connection between two or more things
18. the act of writing or saying in words what sb/sth is like

1. a set of rooms for living in, usually on one floor of a building
2. a space between two things or in the middle of sth, especially because there is a part missing
3. detailed and exact
4. covering or affecting the whole world
6. all the qualities and features that make a person
7. a piece of clothing that covers the lower part of your body and each leg
9. a very firm request for sth; sth that sb needs
10. one of the two periods that the school or college year is divided into
12. the same in size, quantity, value, etc. as sth else